From Wikipedia, the free encyclopedia
The Dunne D.5 was an experimental aircraft built in the United Kingdom in 1910. Designed by John William Dunne and built by Short Brothers, it was a highly unorthodox biplane along the same lines as the D.1 and D.4 tailless design Dunne had designed in secret for the Army Balloon Factory years previously. After the War Office discontinued funding for Dunne's work, he proceeded to develop his ideas privately, with this aircraft being the first built. Like its military predecessors, it was a biplane with highly-swept wings driven by twin pusher propellers. However, with a considerably more powerful engine than they had, the Dunne D.5 took off under its own power on its first attempt, piloted by Dunne himself, in the summer of 1910. Two demonstration flights were made for the Royal Aero Club in December 1910, one of which was witnessed by the visiting Orville Wright.
[edit] Specifications
General characteristics
- Crew: One pilot
- Length: 20 ft 5 in (6.21 m)
- Wingspan: 46 ft 0 in (14.02 m)
- Height: 11 ft 6 in (3.51 m)
- Wing area: 527 ft² (49.0 m²)
- Gross weight: 1,550 lb (703 kg)
- Powerplant: 1 × Green, 60 hp (45 kW)
Performance
- Maximum speed: 45 mph (72 km/h)
[edit] References
- Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions, 347.
- Munson, Kenneth (1969). Pioneer Aircraft 1903-14. London: Macmillan, 44.
- "The Dunne Aeroplane" (June 18 1910). Flight: 459-61.
- Poulsen, C. M. (May 27 1943). "Tailless Trials". Flight: 556-58.
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